Home / 16,718.30-23,074.68-9,643.76

Finding the Fourth Proportional to 16,718.30, 23,074.68 and 9,643.76

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Solution

The fourth proportional to 16,718.30, 23,074.68 and 9,643.76 is: 13,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.30 : 23,074.68 = 9,643.76 : x
  2. Step 2: Convert to fraction form
    16,718.30/23,074.68 = 9,643.76/x
  3. Step 3: Cross multiply
    16,718.30x = 23,074.68 × 9,643.76
  4. Step 4: Simplify right side
    16,718.30x = 222,526,676.00
  5. Step 5: Solve for x
    x = 222,526,676.00/16,718.30
  6. Step 6: Final answer
    x = 13,310.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.